Home / 189,533.93-261,567.48-103,500.91

Finding the Fourth Proportional to 189,533.93, 261,567.48 and 103,500.91

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Solution

The fourth proportional to 189,533.93, 261,567.48 and 103,500.91 is: 142,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,533.93 : 261,567.48 = 103,500.91 : x
  2. Step 2: Convert to fraction form
    189,533.93/261,567.48 = 103,500.91/x
  3. Step 3: Cross multiply
    189,533.93x = 261,567.48 × 103,500.91
  4. Step 4: Simplify right side
    189,533.93x = 27,072,472,533.37
  5. Step 5: Solve for x
    x = 27,072,472,533.37/189,533.93
  6. Step 6: Final answer
    x = 142,837.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.